Cloned Cube is a Portal mod. It takes place after GLaDOS' fall in Portal.
You assume the role of Chell's secret clone.
You have to escape or else you may just be tested to death.
There is one obstacle.
CUBiS is trying to kill you.

How to report a bug directly to the Cloned Cube forums using the Steam Overlay.

reporting a bug with the steam overlay

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